Popular Science 1937 № 7-1
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Every nine weeks, they are cut to produce angora wool
Nautical instruments on the ship.
communications equipment and fire safety
Various devices and adaptation of modern cuisine
Gardener brings new varieties that manually pollinate roses.
X-rays - to help surgeons.
Removes swallowed objects when viewed through the screen
Machine for Hair pushed on to his bald head
Key wordsUS, livestock, domestic animals USA water transport, communication US consumer electronics US agriculture Medicine, USA, invention, technique service sector, the invention